Bonsai Repotting Time

The only time you should ever fertilize a bonsai tree is when it is actively growing.
Bonsai repotting time. The vigorous growth that begins in spring will also help the plant to heal any damage caused through repotting. The best time for repotting for most plants is early spring late february to early april. Injuries to the roots can heal quickly. For the majority of species there is a small period of time during the spring where the roots can be disturbed and pruned with reduced risk of danger to the tree s health.
During the winter your bonsai is dormant and the tree rests for the spring. Ask questions about repotting bonsai. Late winter is the best time to re pot your bonsai tree. 1 never bare root a tree.
With adult bonsai forming is essentially completed normally a 3 5 year rhythm is sufficient. With in all of our years testing this is what we ve learned. More tips on caring for bonsai. At mirai we have spent countless seasons repotting conifers of various circumstances.
Repotting bonsai can be a complicated and time consuming process but the more you do it the more comfortable you will become. Younger and fast growing trees are repotted every 1 2 years. Repotting should ideally be performed in early spring. Mid february is a good general average for most bonsai trees.
Bonsai cannot be repotted at any time of the year. If your re potting exercise went well you can expect to see the tree growing again within 2 6 weeks depending upon species and conditions. Fast growing trees need to be repotted every two years sometimes even every year while older more mature trees need to be repotted every three to five years. This is a good period for a number of types of work on bonsai.
It depends on the size of container pot and tree species how often a bonsai tree needs to be repotted. Do not repot on a routine instead check on your trees every early spring by carefully removing the tree from its pot. Most bonsai can be repotted during the winter but the best period for this is the weeks immediately prior to the early spring revival when you judge that there is no longer a danger of intense cold that could damage the roots. Repotting a bonsai is like open heart surgery for the tree.
At this time the tree is not under the pressure of maintaining full foliage and thus will be subject to less of a shock by repotting.